FIELD: hoist equipment. SUBSTANCE: cabin has an acoustically transparent false panel which forms a false ceiling. The space between the false ceiling and a ceiling is filled with a fibrous noise-absorbing material. A fan is mounted in a box between diaphragms on the side of the suction and exhaust which form chambers of abrupt expansion with misaligned holes at the inlet and outlet. EFFECT: improved structure. 2 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| END NOISE ADSORBING DEVICE | 0 |
|
SU1748177A1 |
| LOW-NOISE TECHNICAL ROOM | 2019 |
|
RU2716043C1 |
| LOW-NOISE TECHNICAL ROOM | 2019 |
|
RU2715727C1 |
| FLEXIBLE SHEET MATERIAL FOR STRETCHED STRUCTURE, METHOD OF ITS PRODUCTION AND SHEET MATERIAL FOR STRETCHED SUSPENDED CEILING | 2000 |
|
RU2238378C2 |
| LIGHT VEHICLE PASSENGER SALOON HEATING AND VENTILATION SYSTEM (OPTIONS) | 2006 |
|
RU2328382C1 |
| DUST TRAP | 0 |
|
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| AUTOMOTIVE INTEGRAL NOISE KILLING MODULE | 2012 |
|
RU2512134C2 |
| MINE-SHAFT LOADING MACHINE | 0 |
|
SU1132018A1 |
| SOUND-ABSORBING LINING | 0 |
|
SU765477A1 |
| TEXTURIZED NOISE-ATTENUATING COVERING OF AIR-DUCTING CHANNELS OF THE HEATING AND VENTILATION SYSTEM OF THE PASSENGER'S ROOM (THE DRIVER'S COMPARTMENT) OF THE VEHICLE | 2010 |
|
RU2442698C1 |
